= (43*10^36 - 7)/9
2x²+7x-4
3/8x-1/3x=2
= (34*10^17 - 7)/9
A right angled triangle with a 30 degree angle and angle X.
Calculate the size of angle x.
= (82*10^92 - 1)/9
2+2
6/7+3/4
6/7
1/a(a-b)+1/a(a+b)
